package callnumber.gtdev5.com.photoVault.activity;

import android.graphics.Bitmap;
import android.os.Bundle;
import android.support.v4.app.Fragment;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.ImageView;
import android.widget.ProgressBar;

import callnumber.gtdev5.com.photoVault.R;
import callnumber.gtdev5.com.photoVault.photoview.PhotoViewAttacher;

/**
 * 单张图片显示Fragment
 */
public class ImageDetailFragment extends Fragment {
    private Bitmap mImageUrl;
    private ImageView mImageView;
    private ProgressBar progressBar;
    private PhotoViewAttacher mAttacher;

    public static ImageDetailFragment newInstance(Bitmap imageUrl) {
        final ImageDetailFragment f = new ImageDetailFragment();

        final Bundle args = new Bundle();
        args.putParcelable("url", imageUrl);
        f.setArguments(args);

        return f;
    }

    /*
     * 下面这2个方法，主要是针对OOM这块做缓解
     *
     */
    @Override
    public void onPause() {
        // TODO Auto-generated method stub
        super.onPause();
        mImageView.destroyDrawingCache();
    }

    @Override
    public void onDestroyView() {
        // TODO Auto-generated method stub
        super.onDestroyView();
        mAttacher.cleanup();
    }

    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        mImageUrl = getArguments() != null ? getArguments().getParcelable("url") : null;
    }

    @Override
    public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
        final View v = inflater.inflate(R.layout.image_detail_fragment, container, false);
        mImageView = (ImageView) v.findViewById(R.id.image);
        mAttacher = new PhotoViewAttacher(mImageView);

        mAttacher.setOnPhotoTapListener(new PhotoViewAttacher.OnPhotoTapListener() {

            @Override
            public void onPhotoTap(View arg0, float arg1, float arg2) {
                getActivity().finish();
            }
        });

        progressBar = (ProgressBar) v.findViewById(R.id.loading);
        return v;
    }

    @Override
    public void onActivityCreated(Bundle savedInstanceState) {
        super.onActivityCreated(savedInstanceState);
        mImageView.setImageBitmap(mImageUrl);
//        ImageLoader.getInstance().displayImage(mImageUrl, , new SimpleImageLoadingListener() {
//            @Override
//            public void onLoadingStarted(String imageUri, View view) {
//                progressBar.setVisibility(View.VISIBLE);
//            }
//
//            @Override
//            public void onLoadingFailed(String imageUri, View view, FailReason failReason) {
//                String message = null;
//                switch (failReason.getType()) {
//                    case IO_ERROR:
//                        message = "下载错误";
//                        break;
//                    case DECODING_ERROR:
//                        message = "图片无法显示";
//                        break;
//                    case NETWORK_DENIED:
//                        message = "网络有问题，无法下载";
//                        break;
//                    case OUT_OF_MEMORY:
//                        message = "图片太大无法显示";
//                        break;
//                    case UNKNOWN:
//                        message = "未知的错误";
//                        break;
//                }
//                Toast.makeText(getActivity(), message, Toast.LENGTH_SHORT).show();
//                progressBar.setVisibility(View.GONE);
//            }
//
//            @Override
//            public void onLoadingComplete(String imageUri, View view, Bitmap loadedImage) {
//                progressBar.setVisibility(View.GONE);
//                mAttacher.update();
//            }
//        });
    }
}
